[Event "Rogatska Slatina"] [Site "Rogatska Slatina"] [Date "1948.??.??"] [Round "?"] [White "Opocensky, Karel"] [Black "Ivkov, Borislav"] [Result "*"] [WhiteElo "?"] [BlackElo "?"] [Variant "From Position"] [TimeControl "-"] [ECO "?"] [Opening "?"] [Termination "Unterminated"] [FEN "2rr2k1/1p2bppp/pqn1pn2/3p4/3P1B2/2N1P2P/PP2QPP1/1BRR2K1 w - - 0 18"] [SetUp "1"] [Annotator "lichess.org"] 18. g4 Na5 19. g5 Ne8 20. e4 dxe4 21. d5 f5 22. gxf6 Nxf6 23. Be3 Qd6 24. Nxe4 Nxe4 25. Rxc8 Rxc8 26. Bxe4 *